#include "stdafx.h"

/*  -- translated by f2c (version 19940927).
   You must link the resulting object file with the libraries:
	-lf2c -lm   (in that order)
*/

#include "hnum_f2c.h"
namespace harlinn
{
    namespace numerics
    {
        namespace SuperLU
        {
                doublereal dasum_(integer *n, doublereal *dx, integer *incx)
                {


                    /* System generated locals */
                    integer i__1, i__2;
                    doublereal ret_val, d__1, d__2, d__3, d__4, d__5, d__6;

                    /* Local variables */
                    static integer i, m;
                    static doublereal dtemp;
                    static integer nincx, mp1;


                /*     takes the sum of the absolute values.   
                       jack dongarra, linpack, 3/11/78.   
                       modified 3/93 to return if incx .le. 0.   
                       modified 12/3/93, array(1) declarations changed to array(*)   


    
                   Parameter adjustments   
                       Function Body */
                #define DX(I) dx[(I)-1]


                    ret_val = 0.;
                    dtemp = 0.;
                    if (*n <= 0 || *incx <= 0) {
	                return ret_val;
                    }
                    if (*incx == 1) {
	                goto L20;
                    }

                /*        code for increment not equal to 1 */

                    nincx = *n * *incx;
                    i__1 = nincx;
                    i__2 = *incx;
                    for (i = 1; *incx < 0 ? i >= nincx : i <= nincx; i += *incx) {
	                dtemp += (d__1 = DX(i), abs(d__1));
                /* L10: */
                    }
                    ret_val = dtemp;
                    return ret_val;

                /*        code for increment equal to 1   


                          clean-up loop */

                L20:
                    m = *n % 6;
                    if (m == 0) {
	                goto L40;
                    }
                    i__2 = m;
                    for (i = 1; i <= m; ++i) {
	                dtemp += (d__1 = DX(i), abs(d__1));
                /* L30: */
                    }
                    if (*n < 6) {
	                goto L60;
                    }
                L40:
                    mp1 = m + 1;
                    i__2 = *n;
                    for (i = mp1; i <= *n; i += 6) {
	                dtemp = dtemp + (d__1 = DX(i), abs(d__1)) + (d__2 = DX(i + 1), abs(
		                d__2)) + (d__3 = DX(i + 2), abs(d__3)) + (d__4 = DX(i + 3), 
		                abs(d__4)) + (d__5 = DX(i + 4), abs(d__5)) + (d__6 = DX(i + 5)
		                , abs(d__6));
                /* L50: */
                    }
                L60:
                    ret_val = dtemp;
                    return ret_val;
                } /* dasum_ */

        };
    };
};